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kvm: vmx: Use the hardware provided GPA instead of page walk

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As in the SVM patch, the guest physical address is passed by
VMX to x86_emulate_instruction already, so mark the GPA as available
in vcpu->arch.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2016-12-08 15:31:41 +01:00
parent ee10689117
commit db1c056cee
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/vmx.c
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@ -6382,6 +6382,7 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
EPT_VIOLATION_EXECUTABLE))
? PFERR_PRESENT_MASK : 0;
vcpu->arch.gpa_available = true;
vcpu->arch.exit_qualification = exit_qualification;
return kvm_mmu_page_fault(vcpu, gpa, error_code, NULL, 0);
@ -6399,6 +6400,7 @@ static int handle_ept_misconfig(struct kvm_vcpu *vcpu)
}
ret = handle_mmio_page_fault(vcpu, gpa, true);
vcpu->arch.gpa_available = true;
if (likely(ret == RET_MMIO_PF_EMULATE))
return x86_emulate_instruction(vcpu, gpa, 0, NULL, 0) ==
EMULATE_DONE;
@ -8517,6 +8519,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
u32 vectoring_info = vmx->idt_vectoring_info;
trace_kvm_exit(exit_reason, vcpu, KVM_ISA_VMX);
vcpu->arch.gpa_available = false;
/*
* Flush logged GPAs PML buffer, this will make dirty_bitmap more